DevTools: Add JSDoc for static methods, fix JSDoc types and induced errors

Source/devtools/front_end/search/SourcesSearchScope.js

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  * 1. Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *
@@ skipping 148 matching lines @@
             for (var i = 0; i < uiSourceCodes.length; ++i) {
                 if (!uiSourceCodes[i].isDirty())
                     continue;
                 var path = uiSourceCodes[i].path();
                 if (!matchingFiles.contains(path) && this._searchConfig.filePathMatchesFileQuery(path))
                     files.push(path);
             }
         }
 
         /**
-         * @param {!string} path
+         * @param {string} path
          * @this {WebInspector.SourcesSearchScope}
          */
         function searchInNextFile(path)
         {
             var uiSourceCode = project.uiSourceCode(path);
             if (!uiSourceCode) {
                 --callbacksLeft;
                 progress.worked(1);
                 scheduleSearchInNextFileOrFinish.call(this);
                 return;
@@ skipping 26 matching lines @@
                 }
                 return;
             }
 
             ++callbacksLeft;
             var path = files[fileIndex++];
             setTimeout(searchInNextFile.bind(this, path), 0);
         }
 
         /**
-         * @param {!string} path
+         * @param {string} path
          * @param {?string} content
          * @this {WebInspector.SourcesSearchScope}
          */
         function contentLoaded(path, content)
         {
             /**
              * @param {!WebInspector.ContentProvider.SearchMatch} a
              * @param {!WebInspector.ContentProvider.SearchMatch} b
              */
             function matchesComparator(a, b)
@@ skipping 28 matching lines @@
 
     /**
      * @param {!WebInspector.ProjectSearchConfig} searchConfig
      * @return {!WebInspector.FileBasedSearchResultsPane}
      */
     createSearchResultsPane: function(searchConfig)
     {
         return new WebInspector.FileBasedSearchResultsPane(searchConfig);
     }
 }